CODE No. C2329 Radar PWR.supply VOLT(Above 16V)

caution

Before replacing the ECU, ensure that the power supply circuit, the earth circuit and the communication circuit are normal.

OPERATION

BSW-ECU (master) power supply is provided from the battery via ETACS-ECU.

CHECK CONDITION

Ignition switch is in the ON position.

DIAGNOSTIC FUNCTION AND JUDGEMENT CRITERIA

When system voltage remains 16V or more, the BSW-ECU (master) will set diagnosis code No.C2329.

PROBABLE CAUSES

Battery failure
Malfunction of charging system
Malfunction of BSW-ECU (master)

DIAGNOSIS PROCEDURE

STEP 1. Check the charging system.

Refer to GROUP 16 - On-vehicle Service - Regulated Voltage Test.

Q. Is the check result normal?

Go to Step 2

Repair or replace the charging system component(s).

STEP 2. Check whether the diagnosis code is set again.

Check again if the diagnosis code is set in the BSW-ECU (master).

(1)Erase the diagnosis code.

(2)Turn the ignition switch from the LOCK (OFF) position to the ON position.

(3)Check if the diagnosis code is set.

Q. Is the diagnosis code set?

Replace the BSW-ECU (master).

Intermittent malfunction is suspected (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to cope with Intermittent Malfunction).